Answer:
A concentration gradient occurs when the concentration of particles is higher in one area than another. In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced.
Explanation:
Hope this helps c:
A. metallic
I gotta use 20 characters so ignore this bucko
Answer:
No, it is not
Explanation:
Heterozygous is Gg, and if the dominant gene is there, it masks the recessive one.
Answer:
it is might be wrong....
Explanation:
Third-trimester ultrasounds can examine the placenta and the position of the fetus. Sometimes an ultrasound is part of a test called a biophysical profile (BPP) to see whether the fetus is getting enough oxygen. The BPP examines the baby's breathing, movement, amount of amniotic fluid, tone, and heart rate response.
Answer; B
they're bones allow them to lift them up in the sky.